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The temperature dependence of photoabsorption of V13+

  • C. Walther
  • G. Dietrich
  • W. Dostal
  • S. Krückeberg
  • K. Lützenkirchen
  • L. Schweikhard
Conference paper

Abstract

Photoabsorption cross sections of trapped V 13 + clusters were measured for energies between 1.4 eV and 6.1 eV by use of a two-photon fragmentation technique. Using two laser pulses separated by a 100-ns delay period the cross sections of hot clusters (up to 1800 K) could be compared to the values at room temperature. Whereas sodium clusters are known to exhibit pronounced temperature dependence below 300 K, no continuation of these effects to higher temperatures was found for V 13 + .

PACS

32.80 Cross section photon-atom interaction 36.40.Qv Stability and fragmentation of clusters 36.40.Wa Charged clusters 

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Copyright information

© Springer-Verlag Italia 1999

Authors and Affiliations

  • C. Walther
    • 1
  • G. Dietrich
    • 1
  • W. Dostal
    • 1
  • S. Krückeberg
    • 2
  • K. Lützenkirchen
    • 1
    • 3
  • L. Schweikhard
    • 2
  1. 1.Institut für KernchemieJohannes Gutenberg-UniversitätMainzGermany
  2. 2.Institut für PhysikJohannes Gutenberg-UniversitätMainzGermany
  3. 3.Institut de Recherches SubatomiquesUniversité Louis PasteurStrasbourg Cedex 2France

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